Snowy Owl

http://www.massaudubon.org/Birds_and_Birding/snowyowl/maps.php

"As part of his research, he (Norman Smith) has worked with Logan Airport, observing and capturing Snowy Owls that could potentially pose a danger to air traffic, banding them and releasing them further along their migration path.* 
Unfortunately, 
Snowy Owls love airports."